package com.example.onlinemusic.config;

import com.example.onlinemusic.tools.Constant;
import com.example.onlinemusic.tools.ResponseBodyMessage;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response,
                             Object handler) throws Exception {
        HttpSession httpSession=request.getSession(false);
        if(httpSession==null||httpSession.getAttribute(Constant.USERINFO_SESSION_KEY)==null){
            System.out.println("没有登录!");
            return false;
        }
        return true;
    }
}
